Ключевые слова: arc, bright, construction, craftsman, electric, engineering, equipment, factory, fire, flame, flash, glove, heat, helmet, industrial, industry, iron, job, labor, light, man, manufacture, manufacturing, mask, men at work, metal, metalwork, occupation, person, production, protection, protective, safety, skill, smoke, spark, steel, technical, technology, tool, torch, weld, welder, welding, work, worker, working, workplace, workshop,